Method for producing rock bolt used as self-drilling bolt used for e.g. mining application, involves forming strip into tubular body after profiling and/or structuring, and shortening tubular body to length desired for tubular bolt element
DE102010014612A1
Hollow rod shear connector e.g. two-phase anchor, for use in e.g. inclined roadway construction, has armature tube coated with addition mixed filling material, where clamping path is affiliated with anchor member through clamping sleeve
DE102009056089A1
Rotatable impact-resistance single phase self drilling mixer anchor and two phase cartridge spiral mixer anchor i.e. hollow bar anchor, has solid rods provided in extruded cartridge pipe at heavy duty anchor for double anchor load
DE102006046762A1
Hollow bar shear connector e.g. cartridge anchor for use in e.g. mining, has crack valve provided at side of anchor head, plunger positioned at side of anchor base, and outer surface temporarily coated with filled glue e.g. nano adhesive
DE102006006757A1
Membrane cartridge for adhesive especially for geo anchors has a sprung design to contract following diffusion losses in storage
DE102004028567A1
Protection for rail inter-linkages running through tunnels for safety applicable for both symmetrical and asymmetrical rails combinations profiles which are joined together with connecting joints and forks and lock nut
DE10353208A1
Heavy duty rocker for the suspension of rails and load distribution at arches, in mining and tunneling, is formed by two plate shells with rib structures around them forming integrated non-rotation lock keys for the mounting nuts
DE10301950A1
Joint for suspension track systems and suspended machine systems in tunneling and gallery driving has functional separation between elongated hole joint and additional eye
DE10235635A1
Assembly of curved structures, for a tunnel lining, has multi-functional locks at their overlaps to give a variety of bonds using minimum components, with or without anchors
DE10131183A1
Operating lever for chain tensioner has a clamped fitting onto the securing cage and with a hinged mounting for the lever
DE10114268A1
Suspension claw for receiving and bracing loads on trough sections for tunnel construction comprises a traverse as abutment in a central part with inner and outer ribs for receiving a material, and bores for receiving cross-head screws
DE10105754A1
Friction yoke for yielding arch mine support has yokes slidably fitted to same profile so hooks bear on channel on profile face here acting as thrust lever to discount transverse forces in pressure screws under strata load.
DE10056233A1
Suspension system for monorail suspension railways for the mining industry is without suspension chains, and has tensile rail connections
DE10019844A1
Tension rail connection for suspended monorail conveyor, has symmetrical tensioning block and clamping traverse fastened with clamp clip such that internal bracing exists in rail track without additional stress on support
DE10011534A1
Rail connector for monorail mining transportation system has flexible or rigid hood surrounding contact surface between tongue and suspension plate provided with grease channel having grease chamber surrounding T piece and fishplates
DE10010167A1
Suspension and clamping system for running rails to carry heavy loads in an intermittent conveyor assembly prevents a polygon development in the rails to reduce rolling resistance and wear to give trouble-free running
DE19941451A1
Shackle for connecting to end links of stay chain used in mining and tunnelling has locking section fitted to head of bolt which has tensioning and retaining beads linked to mounting unit by ridge
DE19929392A1
Chain shackle for hanging monorails in mines etc., with bracket eyes built out symmetrically with one, two or six-facet turning lock
